220001221112 has 16 divisors (see below), whose sum is σ = 416586472200. Its totient is φ = 108911495200.

The previous prime is 220001221051. The next prime is 220001221123. The reversal of 220001221112 is 211122100022.

220001221112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220001221112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136138562 + ... + 136140177.

Almost surely, 2^220001221112 is an apocalyptic number.

It is an amenable number.

220001221112 is a deficient number, since it is larger than the sum of its proper divisors (196585251088).

220001221112 is a wasteful number, since it uses less digits than its factorization.

220001221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272278846 (or 272278842 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220001221112 its reverse (211122100022), we get a palindrome (431123321134).

The spelling of 220001221112 in words is "two hundred twenty billion, one million, two hundred twenty-one thousand, one hundred twelve".